ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,150, issued on Feb. 17, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).
"Advanced gain shaping for envelope tracking power amplifiers" was invented by Yu-Jui Lin (Westlake Village, Calif.), Wei Zhang (Oak Park, Calif.), David Steven Ripley (Cedar Rapids, Iowa) and Vignesh Sridharan (Thousand Oaks, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Envelope tracking power amplifiers with advanced gain shaping are provided. In certain implementations, a power amplifier system includes a power amplifier that amplifies a radio frequency (RF) signal and an envelope tracker that controls a voltage level of a supply voltage of the power amplif...